BRK RM4 - Alarm Relay Module

Smoke, CO, or Heat - Activates Auxiliary Warning Devices - For Use with BRK and First Alert Smoke Alarms

BRK RM4 - Alarm Relay Module

Smoke, CO, or Heat - Activates Auxiliary Warning Devices - For Use with BRK and First Alert Smoke Alarms

This BRK RM4 alarm relay module works with BRK and First Alert smoke, heat, and carbon monoxide alarms and activates auxiliary devices, such as bells, sirens, strobe lights, exhaust fans, exit signals, or door closers when an alarm is activated. This alarm relay module is listed to UL 217, 2034, and 539 for accessories and functions in temperatures from 40 to 100 degrees Fahrenheit.